Google LookML-Developer Exam With Confidence Using Practice Dumps

A developer has the dimensions enrollment_month and graduation_month already defined in the view. Both were created as part of dimension_groups of type: time. The developer need touse these two dimensions in the sql_start and sql_end parameters of a dimension group of type: duration.

Which LookML should be used to calculate the number of month and years between enrollment month and graduation month?

A)

B)

C)

D)

A user reports the following SQL error when selecting the discounted sale price field:

ERROR: column “order_items.sale_price”; must appear in the GROUP BY clause or be used in an aggregate function.

The developer checks the field definition and finds it to be:

measure: discounted_sale_price {

type: number

sql: ${sale_price} * 0.8 ;;

}

The developer also finds the LookML definition of the sale_price field to be:

dimension: sale_price {

type: number

sql: ${TABLE}.sale_price ;;

}

What isthe likely cause of the SQL error?

A developer has created a persistent derived table that tracks new or updated orders and they want to cache the results. The cache should be refreshed whenever some new order isavailable on the underlying datasource table my tablename or at least every 24 hours.

Which datagroup definition will refresh the cache as expected?

A)

B)

C)

D)